Answer
$\color{blue}{-\dfrac{5}{2} \text{ or } -2.5}$
Work Step by Step
Substitute the given values of the variables to obtain:
$=\dfrac{3|-2|-4|4|}{|-1(4)|}
\\=\dfrac{3(2)-4(4)}{|-4|}
\\=\dfrac{6-16}{4}
\\=\dfrac{-10}{4}
\\=\color{blue}{-\dfrac{5}{2} \text{ or } -2.5}$